1998 Oldsmobile Aurora Owner's Manual - Page 279
1998 Oldsmobile Aurora Manual
Page 279 highlights
Adding Washer Fluid NOTICE: 0 0 0 There are two windshield washer fluid tanks. The upper tank (shown above) will empty first. Whenthe lower tank contains 0.5 quarts (0.5 liters) or less, the message LOW WASHER FLUID will be displayed on the Driver Information Center. Open the cap labeled WASHER FLUID ONLY. Add washer fluid until the tank is full. 0 When using concentrated washer fluid, follow the manufacturer's instructions for adding water. Don't mix water with ready-to-use washer fluid. Water can cause the solution to freeze and damage your washer fluid tank and other partsof the washer system. Also, water doesn't clean as as washer fluid. well Fill your washer fluid tank only three-quarters full whenit's very cold. This allows for expansionfreezing occurs, if which could damage the tank it is if completely full. Don't use engine coolant (antifreeze) in your windshield washer. can damage It your washer system and paint.